- json_decode: documentation ( source)
- json_encode: documentation ( source)
<?php
$my_obj1 = ["0" => "something"];
$my_obj1 = json_encode($my_obj1, JSON_FORCE_OBJECT);
$my_obj2 = ["1" => "something else"];
$my_obj2 = json_encode($my_obj2);
echo json_encode(json_decode($my_obj1));